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Quality Assurance and Quality Control in the Analytical Chemical Laboratory: A Practical Approach, Second Edition (Analytical Chemistry)
by Piotr Konieczka Jacek NamiesnikThe second edition defines the tools used in QA/QC, especially the application of statistical tools during analytical data treatment. Clearly written and logically organized, it takes a generic approach applicable to any field of analysis. The authors begin with the theory behind quality control systems, then detail validation parameter measurements, the use of statistical tests, counting the margin of error, uncertainty estimation, traceability, reference materials, proficiency tests, and method validation. New chapters cover internal quality control and equivalence method, changes in the regulatory environment are reflected throughout, and many new examples have been added to the second edition.
Quality Assurance in the Pathology Laboratory: Forensic, Technical, and Ethical Aspects
by Maciej J. BoguszQuality refers to the amount of the unpriced attributes contained in each unit of the priced attribute.Leffler, 1982Quality is neither mind nor matter, but a third entity independent of the two, even though Quality cannot be defined, you know what it is.Pirsig, 2000The continuous formulation of good practices and procedures across fields reflects t
Quality Assurance of Aquatic Foods
by G. Jeyasekaran R. Jeya ShakilaThis book deals with the quality and safety of aquatic food. It focuses clearly on biological and chemical hazards, antibiotic and pesticide residues, and heavy metal contaminants associated with aquatic food. The quality problems in various aquatic food products and their methods of assessment are exhaustively dealt in this book. Besides, food quality management systems like HACCP, SSOP, SCP, GHP, GMP have also been explained for easy adoption. The International and National Standards prescribed by FSSAI, EIC, BIS, Codex, USFDA, ISO and EU for aquatic food products are explicitly given. It is also useful to the personnel of aquatic food industries to improve their working knowledge on maintaining the quality and safety aquatic foods. Note: T& F does not sell or distribute the Hardback in India, Pakistan, Nepal, Bhutan, Bangladesh and Sri Lanka.
Quality Assurance of Chemical Measurements
by John K. TaylorThis definitive new book should appeal to everyone who produces, uses, or evaluates scientific data. Ensures accuracy and reliability. Dr. Taylor's book provides guidance for the development and implementation of a credible quality assurance program, plus it also provides chemists and clinical chemists, medical and chemical researchers, and all scientists and managers the ideal means to ensure accurate and reliable work. Chapters are presented in a logical progression, starting with the concept of quality assurance, principles of good measurement, principles of quality assurance, and evaluation of measurement quality. Each chapter has a degree of independence so that it may be consulted separately from the others.
Quality Assured Measurement: Unification across Social and Physical Sciences (Springer Series in Measurement Science and Technology)
by Leslie PendrillThis book presents a general and comprehensive framework for the assurance of quality in measurements. Written by a foremost expert in the field, the text reflects an on-going international effort to extend traditional quality assured measurement, rooted in fundamental physics and the SI, to include non-physical areas such as person-centred care and the social sciences more generally. Chapter by chapter, the book follows the measurement quality assurance loop, based on Deming’s work. The author enhances this quality assurance cycle with insights from recent research, including work on the politics and philosophy of metrology, the new SI, quantitative and qualitative scales and entropy, decision risks and uncertainty when addressing human challenges, Man as a Measurement Instrument, and Psychometry and Person-centred care. Quality Assured Measurement: Unification across Social and Physical Sciences provides students and researchers in physics, chemistry, engineering, medicine and the social sciences with practical guidance on designing, implementing and applying a quality-assured measurement while engaging readers in the most novel and expansive areas of contemporary measurement research.
Quality by Design for Biopharmaceutical Drug Product Development
by Feroz Jameel Susan Hershenson Mansoor A. Khan Sheryl Martin-MoeThis volume explores the application of Quality by Design (QbD) to biopharmaceutical drug product development. Twenty-eight comprehensive chapters cover dosage forms, liquid and lyophilized drug products. The introductory chapters of this book define key elements of QbD and examine how these elements are integrated into drug product development. These chapters also discuss lessons learned from the FDA Office of Biotechnology Products pilot program. Following chapters demonstrate how QbD is used for formulation development ranging from screening of formulations to developability assessment to development of lyophilized and liquid formats. The next few chapters study the use of small-scale and surrogate models as well as QbD application to drug product processes such as drug substance freezing and thawing, mixing, sterile filtration, filling, lyophilization, inspection and shipping and handling. Later chapters describe more specialized applications of QbD in the drug product realm. This includes the use of QbD in primary containers, devices and combination product development. The volume also explores QbD applied to vaccine development, automation, mathematical modeling and monitoring, and controlling processes and defining control strategies. It concludes with a discussion on the application of QbD to drug product technology transfer as well as overall regulatory considerations and lifecycle management. Quality by Design for Biopharmaceutical Drug Product Development is an authoritative resource for scientists and researchers interested in expanding their knowledge on QbD principles and uses in creating better drugs.
Quality by Design for Biopharmaceuticals: Principles and Case Studies (Wiley Series in Biotechnology and Bioengineering #1)
by Anurag S. Rathore Rohin MhatreThe concepts, applications, and practical issues of Quality by Design Quality by Design (QbD) is a new framework currently being implemented by the FDA, as well as EU and Japanese regulatory agencies, to ensure better understanding of the process so as to yield a consistent and high-quality pharmaceutical product. QbD breaks from past approaches in assuming that drug quality cannot be tested into products; rather, it must be built into every step of the product creation process. Quality by Design: Perspectives and Case Studies presents the first systematic approach to QbD in the biotech industry. A comprehensive resource, it combines an in-depth explanation of basic concepts with real-life case studies that illustrate the practical aspects of QbD implementation. In this single source, leading authorities from the biotechnology industry and the FDA discuss such topics as: The understanding and development of the product's critical quality attributes (CQA) Development of the design space for a manufacturing process How to employ QbD to design a formulation process Raw material analysis and control strategy for QbD Process Analytical Technology (PAT) and how it relates to QbD Relevant PAT tools and applications for the pharmaceutical industry The uses of risk assessment and management in QbD Filing QbD information in regulatory documents The application of multivariate data analysis (MVDA) to QbD Filled with vivid case studies that illustrate QbD at work in companies today, Quality by Design is a core reference for scientists in the biopharmaceutical industry, regulatory agencies, and students.
Quality Control and Regulatory Aspects for Biologicals: Regulations and Best Practices
by Gauri MisraThis book serves as a comprehensive guide on quality control and regulatory aspects for biological products. It covers a wide range of topics, including regulatory requirements, quality control strategies, analytical methods, and risk management. It delves into the advantages and limitations of in vivo tests and discusses alternative methods that can be employed. The book explores the use of animal-based testing methods in quality control and examines viable alternatives.Key Features: Reviews various scientific and regulatory aspects involved in the quality control of biologicals Provides an overview of the roles of various national and international regulatory bodies and accreditation agencies Presents advanced analytical methods, innovative technologies, and the integration of molecular diagnostics in quality control processes Explores the use of animal-based testing methods in quality control, as well as their alternatives Discusses guidelines and methodologies involved in the development of biological products Overall, this book is an important reference source for various professionals in the pharmaceutical industry, including researchers, scientists, quality control personnel, and regulatory affairs professionals.
Quality Control of Chinese Medicines: Strategies and Methods
by Jing Zhao Shaoping LiThis book focuses on the strategies and methods for quality control of Chinese medicines used in prevention and treatment of diseases for thousands of years in China and East Asia. It explains various strategies and methods for quality markers discovery and herbal glycoanalysis, as well as practices for control of heavy metal and pesticide residues. Strategies to overcome the shortage of reference compounds for quality control of Chinese medicines are also provided. The book also introduces analytical techniques for different analytes in Chinese medicines with an emphasis on sample preparation in automation and high extraction efficiency methods, the key process affecting the time and accuracy of the techniques. It is of interest to quality control scientists in academia and industry working on Chinese medicines and/or herbal medicine and also pharmacists, pharmacologists, food chemists, and nutritionists who want to understand Chinese medicines.
Quality Determinants In Coffee Production (Food Engineering Series)
by Lucas Louzada Pereira Taís Rizzo MoreiraQuality Determinants In Coffee Production presents a comprehensive overview of the main determinants of coffee quality during processing. Authored by members of the Laboratory for Analysis and Research in Coffee at the Federal Institute of Espírito Santo, the chapters in this text explain how coffee quality can be affected through each step of the main processing methods. The first section explores the history of coffee processing, covering how the processes and techniques of sensorial analysis have developed. The second section covers the evolution of these techniques and how various complexities can affect their use, plus the statistical tools that are used to increase test accuracy. Another section focuses on the relationship between fruit microbiology and coffee quality, promoting an understanding of how yeasts, fungi and bacteria effect the quality of coffee during processing. Another section is dedicated to the biotechnological processes used in coffee production, including the applicability of induced and spontaneous routes from the manipulation of raw material, the relationship between wet processing and spontaneous fermentation and the construction of sensorial routes. A final section explores volatile coffee compounds and gas chromatography techniques, including chemical and sensory maps. The majority of the reference works published on coffee processing have a pragmatic approach covering production, harvesting, post-harvesting and marketing. This work goes beyond these subjects, covering the factors that impact quality and how they lead to either qualitative reduction or gains during processing. New technological and scientific indicators for the modification and the creation of sensory routes are extensively covered, as are the international protocols used in the sensorial analysis of coffee. With its broad approach, this text presents a multidisciplinary perspective connecting areas such as statistics, biochemistry, analytical chemistry and microbiology to the results of sensory analysis using different technologies and processes. A direct relationship between these factors is established in order to help researchers understand their combined effect on coffee quality during processing.
Quality Improvement in Field Crops
by Lakhwinder S RandhawaLearn to identify, modify, and manipulate the genes controlling key quality traits in field crops!This informative book provides state-of-the-art information on improving nutritional quality as well as yield volume in field crops such as wheat, maize, rice, barley, oats, lentils, pigeon peas, soybeans, cool season legumes, and crops whose seeds are used to make oils. With contributions from leading authorities in the field, this book will bring you up to date on the uses of agronomic management, conventional plant breeding, and modern biotechnologies in improving the quality of important food, feed, and fiber products.Quality Improvement in Field Crops examines: factors that impact the end-use quality of wheat and ways to improve wheat’s quality for milling and baking agronomic practices that impact the quality of maize ways to improve the nutritional value of rice and legumes techniques for using molecular markers to improve the quality of lentil crops breeding methods that can improve the quality of the oils derived from oilseed crops protein quality/sulfur metabolism in soybeans and much more!This book is dedicated to the World Food Laureate (the equivalent of the Nobel Prize for food scientists), Dr. G. S. Khush--the father of the Green Revolution in rice farming--in recognition of his tremendous contributions to global food and nutritional security for the world?s population.
Quality Innovation and Sustainability: 3rd ICQIS, Aveiro University, Portugal, May 3-4, 2022 (Springer Proceedings in Business and Economics)
by João Carlos de Oliveira Matias Carina Maria Oliveira Pimentel João Carlos Gonçalves dos Reis Joana Maria Costa Martins das Dores Gilberto SantosThis book provides various approaches to complex industrial problems in sustainability, operations management and industrial engineering. It features in-depth research presented by academics, scholars, researcher and professionals at the 3rd International Conference on Quality Innovation and Sustainability (ICQIS) in the fields of quality, innovation, sustainability and operations management. It addresses topics such as quality management systems; Lean and Six Sigma; information systems for quality management; data management and industry 4.0; innovative solutions for quality challenges; environmental quality policies and standards; circular economy and life cycle costing; occupational health; safety and welfare in manufacturing; and smart systems, among others.
Quality Living Through Chemurgy and Green Chemistry
by Peter C.K. LauThis book is intended to give readers an appreciation of what the future holds, as cutting-edge technologies in synthetic biology and pathway engineering and advanced bioprocessing development pave the way for providing goods and services to benefit humankind that are based on the synergy of two biomasses - i. e. of what a renewable feedstock could yield and an infinite microbial biomass could provide in terms of enzymes and biocatalysts. This 13-chapter book, with an introductory treatise on the guiding principles of green chemistry and engineering metrics, brings together a broad range of research and innovation agendas and perspectives from industries, academia and government laboratories using renewable feedstocks that include macroalgae and lignins. In addition, social-economic aspects and the pillars of competitiveness in regional cluster development are explored as we transition from fossil-fuel-based economies to a circular bioeconomy, with chemurgy and green chemistry being implicit to the innovation movement. The bulk of the book covers specific applications including the bioproduction of amino sugars, dicarboxylic acids, omega-3 fatty acids, starch and fermentable sugars from lignocellulosic materials, and phenolics as building blocks for polymer synthesis. Enzymatic systems for accessing chiral and special-purpose chemicals, as well as the development of specialized enzymes from macroalgae for biofuel and biochemical production are also addressed. Research gaps, hurdles to overcome in various biological processes, and present achievements in the production of biofuels and biochemicals from lignocellulosic materials are discussed. Going beyond the conventional expectation of discussing the production of drop-in chemicals, the book instead emphasizes how the potential of new chemicals and materials can be harnessed through innovative thinking and research. As such, it provides an invaluable reference source for researchers and graduate students interested in Chemurgy and Green Chemistry, as well as for practitioners in the field of industrial biotechnology and biobased industry. Peter C. K. Lau is a Distinguished Professor at Tianjin Institute of Industrial Biotechnology of the Chinese Academy of Sciences, and an Adjunct Professor at the Departments of Chemistry and Microbiology & Immunology, McGill University, Canada.
Quality Management in Scientific Research: Challenging Irreproducibility Of Scientific Results
by Antonella LanatiIn recent years, the attention of the scientific and social community has not solely been on producing new findings, but increasingly also on the related issues of the reliability, safety, and efficacy of the discoveries made, as well as the efficient and effective use of resources. The adoption of management models and tools can help scientists to improve their research, ensuring valuable, robust and dependable outcomes. Quality disciplines have been widely used for decades in industrial and business fields, building a knowledge base that can be translated and exploited, much to the advantage of scientific research. However, quality references in scientific research are still extremely rare and largely limited to an international guideline and a few sector-specific standards. Despite WHO and EU Commission campaigns, there are still precious few practical texts that offer researchers guidance on quality principles and provide simple tools and methodologies for their daily work. The book, starting from the problem of the reproducibility of scientific results and the substantial contribution that the Quality approach can make to research (Chapter 1), introduces the reader to key principles and basic concepts of Quality and illustrates both general and research-specific quality standards, paving the way for further discussion (Chapter 2). In turn, Chapter 3 presents detailed applications of Quality principles in various aspects of research, from study and ethics to materials and equipment management. Chapters 4 and 5, respectively, are devoted to Quality tools and Quality methodologies, as well as soft skills, all of which are valuable to scientific experimentation and study management. The concepts and practical tools discussed are extensively illustrated with examples from actual applications in scientific research.
Quality Management Practices in MSME Sectors (Springer Tracts in Mechanical Engineering)
by Rajiv Kumar SharmaThe book explains the importance of and investigates the quality management aspects in micro, small and medium enterprises (MSME) sectors. It emphasizes on the need of quality management practice and explores the applicability of various quality tools in MSMEs and stages in company where quality management practices are applied. Various topics covered in this book include control charts, Pareto charts, customer relationship management, failure mode effect analysis, QMS implementation stages, competitiveness, and benefits of QM practices. This book will be useful for the researchers and industry professionals from the areas of mechanical engineering, industrial engineering, and manufacturing.
Quality-of-Life Community Indicators for Parks, Recreation and Tourism Management
by Megha Budruk Rhonda PhillipsWhile community quality-of-life indicators are gaining much needed attention in both scholarly work and practice, their application in the areas of parks, recreation and tourism management are not as well known. The applicability of indicator systems for natural resource and natural resource area management within the parks and recreation arena is very high, including urban parks and recreation programs and their influence on quality of life. Tourism is also an area that needs much more work in terms of assessing impacts as well as developing indicators for gauging progress in the long term. All three areas are an integrated discipline and most programs throughout the developed world are housed co-jointly. There are several researchers across the globe who are conducting innovative work in these areas. The editors feel that a volume on the topic will spur additional interests as well as serve to lead the research efforts.
Quality of Life in Urban Landscapes: In Search of a Decision Support System (The Urban Book Series)
by Roberta Cocci Grifoni Rosalba D'Onofrio Massimo SargoliniThis volume introduces an innovative tool for the development of sustainable cities and the promotion of the quality of life of city inhabitants. It presents a decision-support system to orient public administrations in identifying development scenarios for sustainable urban and territorial transformations. The authors have split the volume into five parts, which respectively describe the theoretical basis of the book, the policies in question and indicators that influence them, the decision-support system that connects indicators to policies, the case study of Ancona, Italy, and potential future directions for this work. This volume is based on transdisciplinary research completed in May 2016 that involved about 40 researchers at The University of Camerino, Italy and other European universities. With purchase of this book, readers will also have access to Electronic Supplementary Material that contains a database with groups of indicators of assessment of urban quality of life and a toolkit containing the data processing system and management information system used in the book’s case study.
Quality of Life Technology Handbook (Rehabilitation Science in Practice Series)
by Richard SchulzA collaboration between leading scientists, practitioners, and researchers at Carnegie-Mellon University and the University of Pittsburgh, this book is a comprehensive resource describing Quality of Life technologies and their development, evaluation, adoption, and commercialization. It takes an interdisciplinary team approach to the process of tec
The Quality of Measurements
by Paul Makinen A. E. Fridman Andrew SabakThis monograph and translation from the Russian describes in detail and comments on the fundamentals of metrology. The basic concepts of metrology, the principles of the International System of Units SI, the theory of measurement uncertainty, the new methodology of estimation of measurement accuracy on the basis of the uncertainty concept, as well as the methods for processing measurement results and estimating their uncertainty are discussed from the modern position. It is shown that the uncertainty concept is compatible with the classical theory of accuracy. The theory of random uncertainties is supplemented with their most general description on the basis of generalized normal distribution; the instrumental systematic errors are presented in connection with the methodology of normalization of the metrological characteristics of measuring instruments. The information about modern systems of traceability is given. All discussed theoretical principles and calculation methods are illustrated with examples.
Quality of Service in Optical Packet Switched Networks
by Akbar G. RahbarThis book is a comprehensive study on OPS networks, its architectures, and developed techniques for improving its quality of switching and managing quality of service.<P><P> The book includes: Introduction to OPS networks, OOFDM networks, GMPLS-enabled optical networks, QoS in OPS networks Hybrid contention avoidance/resolution schemes in both long-haul and metro optical networks Hybrid optical switching schemes
The Quality of the Archaeological Record
by Charles PerreaultPaleobiology struggled for decades to influence our understanding of evolution and the history of life because it was stymied by a focus on microevolution and an incredibly patchy fossil record. But in the 1970s, the field took a radical turn, as paleobiologists began to investigate processes that could only be recognized in the fossil record across larger scales of time and space. That turn led to a new wave of macroevolutionary investigations, novel insights into the evolution of species, and a growing prominence for the field among the biological sciences. In The Quality of the Archaeological Record, Charles Perreault shows that archaeology not only faces a parallel problem, but may also find a model in the rise of paleobiology for a shift in the science and theory of the field. To get there, he proposes a more macroscale approach to making sense of the archaeological record, an approach that reveals patterns and processes not visible within the span of a human lifetime, but rather across an observation window thousands of years long and thousands of kilometers wide. Just as with the fossil record, the archaeological record has the scope necessary to detect macroscale cultural phenomena because it can provide samples that are large enough to cancel out the noise generated by micro-scale events. By recalibrating their research to the quality of the archaeological record and developing a true macroarchaeology program, Perreault argues, archaeologists can finally unleash the full contributive value of their discipline.
The Quality System: A Sourcebook for Managers and Engineers, Second Edition
by Frank CaplanIn its second edition, the purpose of this handbook is to assist remediation site managers and their operating contractors in ensuring that each remediation system is effectively making progress toward site cleanup objectives and remains protective of human health and the environment.
Quality Systems in the Food Industry (SpringerBriefs in Molecular Science)
by Marco Fiorino Caterina Barone Michele Barone Marco Mason Arpan BhagatThis book explains the role of food-oriented (or ‘food-centric’) quality system standards in the modern food and beverage industry. It discusses food safety schemes based on the international norm ISO 9001 and the “Hazard Analysis and Critical Control Points” approach, and also introduces the new Global Standard for Food Safety (GSFS) and the International Featured Standard (IFS, 7th ed.), outlining standardization for international equivalence (while maintaining the necessary flexibility and independence – which is not always easy an easy task).Providing selected specific examples, it examines the problems of chemical additives and possible cross-contaminations between different production lines, as well as adequate reactions to and handling of intentional adulterations. In addition, it includes a chapter focusing on quality audits and technical data sheets in the food industry, and a final chapter describing the certification of food-grade lubricants in the food industry, especially with regard to allergenic substances.
Quality Teaching in Primary Science Education
by Mark W. Hackling Jörg Ramseger Hsiao-Lan Sharon ChenThis edited volume explores how primary school teachers create rich opportunities for science learning, higher order thinking and reasoning, and how the teaching of science in Australia, Germany and Taiwan is culturally framed. It draws from the international and cross-cultural science education study EQUALPRIME: Exploring quality primary education in different cultures: A cross-national study of teaching and learning in primary science classrooms. Video cases of Year 4 science teaching were gathered by research teams based at Edith Cowan University, Deakin University, the Freie Universit#65533;t Berlin, the National Taiwan Normal University and the National Taipei University of Education. Meetings of these research teams over a five year period at which data were shared, analysed and interpreted have revealed significant new insights into the social and cultural framing of primary science teaching, the complexities of conducting cross-cultural video-based research studies, and the strategies and semiotic resources employed by teachers to engage students in reasoning and meaning making. The book's purpose is to disseminate the new insights into quality science teaching and how it is framed in different cultures; methodological advancements in the field of video-based classroom research in cross-cultural settings; and, implications for practice, teacher education and research. "The chapters (of this book) address issues of contemporary relevance and theoretical significance: embodiment, discursive moves, the social unit of learning and instruction, inquiry, and reasoning through representations. Through all of these, the EQUALPRIME team manages to connect the multiple cultural perspectives that characterise this research study. The 'meta-reflection' chapters offer a different form of connection, linking cultural and theoretical perspectives on reasoning, quality teaching and video-based research methodologies. The final two chapters offer connective links to implications for practice in teacher education and in cross-cultural comparative research into teaching and learning. These multiple and extensive connections constitute one of the books most significant accomplishments. The EQUALPRIME project, as reported in this book, provides an important empirical base that must be considered by any system seeking to promote sophisticated science learning and instructional practices in primary school classrooms. By exploring the classroom realisation of aspirational science pedagogies, the EQUALPRIME project also speaks to those involved in teacher education and to teachers. I commend this book to the reader. It offers important insights, together with a model of effective, collegial, collaborative inter-cultural research. It will help us to move forward in important ways". Professor David Clarke, Melbourne University
Quant pesen els núvols?: I altres senzilles preguntes i les seves respostes científiques
by David CalleDescobreix l'univers del professor estrella de YouTube que ha ajudat milers d'alumnes a perseguir els seus somnis. Finalista del Global Teacher Price i una de les persones més creatives del món, segons Forbes. Per què el veí de sota viurà més anys que tu?De quin color és un mirall? Quant pesa el martell de Thor?Per què no podem viatjar al passat?Quants megapíxels té l'ull humà? ------- - Llegir aquest llibre t'ocuparà el 0,0005% de la vida, entre uns 7.200 i uns 14.400 segons. Potser els mateixos que veure Blade Runner 2049 o la trilogia original de Star Wars. Tot i que ja saps que el temps és relatiu, com tantes altres coses. - Si gaudeixes d'una vida llarga i pròspera, viuràs més de dos mil milions de segons, malgrat que la tercera part d'aquest temps la passaràs dormint. La resta et tocarà estar despert, viure i gaudir, perquè pot ser apassionant. Així que rumia bé en què vols invertir aquests segons. - D'aquí a uns quants anys, algunes de les afirmacions que llegiràs en aquest llibre, avui dia considerades del tot certes, pot ser que ja no tinguin sentit. Res no és permanent, res no és constant. «L'únic constant és el canvi», va predir Heràclit ara fa 2.500 anys. És el meravellós de la ciència: que avança imparable dia rere dia. Per això vull que aquest llibre et serveixi d'inspiració i t'ajudi a construir els teus somnis, a iniciar la pròpia recerca de respostes a totes les preguntes que et passin pel cap sense haver d'apel·lar als déus de l'Olimp, que sempre aporten una resposta o altra, mitològica i fascinant, però no gens científica. ------ A quina temperatura bull l'aigua al cim de l'Everest? Quina llei física transgredeixen les naus de Star Wars? Com podríem escapar-nos de la Terra? Ens dominaran els robots? Per què el cel és blau? Per què no podem viatjar al passat? Per què l'univers i la teva habitació tendeixen sempre al màxim desordre? Serem cíborgs en un futur? Quina alçària màxima pot assolir un castell de sorra? Quants diners costaria endur-se una pilota de futbol a l'espai? Quantes pomes va esmicolar Galileu per experimentar amb la gravetat? Quantes aranyes calen per frenar un Boeing 747? Què passaria si s'invertissin els pols de la Terra? Per què s'escalfa la Terra? Com seran els mapes del futur?